controller

controllercon‧trol‧ler /kənˈtrəʊlə $ -ˈtroʊlər/ ●○○ noun [countable]1BFIN CHARGE OFsomeone who is in charge of a particular system, organization, or part of an organizationair-traffic controllers2 (also comptroller) formalBF someone who is in charge of the money received or paid out by a company or government department